Purpose
To assess clinical outcomes among patients aged 50 years or older after primary hip
arthroscopy for femoroacetabular impingement (FAI) with or without labral tears compared
with a matched control group of younger patients aged 20 to 35 years old at minimum
5-year follow-up.
Methods
We conducted a retrospective comparative prognostic study using a prospectively collected
database of patients who underwent hip arthroscopy with minimum 5-year follow-up.
Subjects completed the modified Harris Hip Score (mHHS) and Non-Arthritic Hip Score
(NAHS) before surgery and at 5-year follow-up. Patients aged ≥50 years were propensity
score matched on sex, body mass index, and preoperative mHHS to controls aged 20 to
35 years. Pre- to postoperative changes in mHHS and NAHS were compared between groups
using the Mann–Whitney U test. Hip survivorship rates and minimum clinically important difference achievement
rates were compared between groups using the Fisher exact test. P values <.05 were considered statistically significant.
Results
In total, 35 older patients (mean age 58.3 years) were matched to 35 younger controls
(mean age 29.2 years). Both groups were mostly female (65.7%) and had equal mean body
mass index (26.0). Acetabular chondral lesions of Outerbridge grades III-IV were more
prevalent in the older group (older 28.6% vs younger 0%, P < .001). Five-year reoperation rates were not significantly different between the
groups (older 8.6% vs younger 2.9%, P = .61). There were no significant intergroup differences in 5-year improvement in
mHHS (older 32.7 vs younger 30.6, P = .46) or NAHS (older 34.4 vs younger 37.9, P = .70) or in 5-year minimum clinically important difference achievement rates for
the mHHS (older 93.6% vs younger 93.6%, P = 1.00) or NAHS (older 87.1% vs younger 96.8%, P = .35).
Conclusions
There are no significant differences in reoperation rates and patient-reported outcomes
between patients aged ≥50 years versus matched controls aged 20 to 35 years after
primary hip arthroscopy for FAI.
Level of Evidence
III, retrospective comparative prognostic study.
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Article info
Publication history
Published online: February 19, 2023
Accepted:
January 31,
2023
Received:
August 11,
2022
Publication stage
In Press Journal Pre-ProofFootnotes
The authors report the following potential conflicts of interest or sources of funding: T.Y. reports personal fees from Arthrex, outside the submitted work. Full ICMJE author disclosure forms are available for this article online, as supplementary material.
Identification
Copyright
© 2023 by the Arthroscopy Association of North America
